Magnetic resonance imaging (MRI) offers many benefits for deep brain stimulation (DBS) patients. However, radiofrequency (RF) heating remains a concern for MRI at 3T. Parallel transmission technology (pTx) has the potential to lower the risk by generating low electric-field regions at target locations. As pTx technology proceeds to imaging DBS patient, the impact of head motion becomes an important consideration. The present study investigates the impact of phantom mis-positioning when using pTx technology to suppress RF heating with results indicating head motion can potentially cause unsafe temperature elevations.
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